Medieval History
Sulphur and iron compounds have now been found in shipwrecks both in the Baltic and off the west coast of Sweden. The group behind the results, presented in the Journal of Archaeological Science, includes scientists from the University of Gothenburg and Stockholm University.
A few years ago scientists reported large quantities of sulphur and iron compounds in the salvaged 17th century warship Vasa, resulting in the development of sulphuric acid and acidic salt precipitates on the surface of the hull and loose wooden objects.
Similar sulphur compounds have now been discovered also in other shipwrecks both from the Baltic and off the west coast of Sweden, including fellow 17th century warships Kronan, Riksnyckeln and Stora Sofia, the 17th century merchant vessel in Gothenburg known as the Göta wreck, and the Viking ships excavated at Skuldelev in Denmark.
Click here to read this article from Medievalists.net
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Medieval History
Iron and sulphur compounds threaten old shipwrecks
Sulphur and iron compounds have now been found in shipwrecks both in the Baltic and off the west coast of Sweden. The group behind the results, presented in the Journal of Archaeological Science, includes scientists from the University of Gothenburg and Stockholm University.
A few years ago scientists reported large quantities of sulphur and iron compounds in the salvaged 17th century warship Vasa, resulting in the development of sulphuric acid and acidic salt precipitates on the surface of the hull and loose wooden objects.
Similar sulphur compounds have now been discovered also in other shipwrecks both from the Baltic and off the west coast of Sweden, including fellow 17th century warships Kronan, Riksnyckeln and Stora Sofia, the 17th century merchant vessel in Gothenburg known as the Göta wreck, and the Viking ships excavated at Skuldelev in Denmark.
Click here to read this article from Medievalists.net
- Two Roman Shipwrecks Found In Deep Waters Around Greece
Two Roman-era shipwrecks have been found in deep water off a western Greek island, challenging the conventional theory that ancient shipmasters stuck to coastal routes rather than risking the open sea, an official said Tuesday. Greece's culture...
- Dozens Of Shipwrecks In Norwegian Lakes
An international team from ProMare (US), the Norwegian Maritime Museum (Norway), the Norwegian University of Science & Technology (Norway), and Teledyne Gavia (formerly Hafmynd ehf) have located nearly two dozen, well-preserved shipwrecks in the lakes...
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A dozen previously unknown shipwrecks, some of them believed to be up to 1,000 years old, were discovered in the Baltic Sea during a probe of the sea bed to prepare for the installation of a large gas pipeline, the Swedish National Heritage Board said...
- Medieval Shipwrecks Under Threat From Shipworms
Shipworms, commonly referred to as 'termites of the sea', are launching an attack on the Baltic Sea, putting large maritime archaeological sites at risk. Researchers from the University of Gothenburg in Sweden, currently participating in the...
- A 17th Century Landscape Through Historical Maps: Arcscene Visualisation
Hello everyone!The last couple of days I have started a small (yet unfinanced) research project aimed at applying the principles of LCA (Landscape Character Assessment) and HLC (Historic Landscape Character) in a 17th century context. While LCA...